Examine source code of Elf Decorating the Tree

{
  "theme": {
    "images": {
      "theme_frame": "elfdecoratingtreeH2copyCustom.jpg"
    },
    "colors": {
      "frame": "#214504",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Elf Decorating the Tree",
  "manifest_version": 2,
  "description": "elf, tree, cute, whimsical, feliz navidad, decoations, fairy, bright, sweet, lights, christmas\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/f5d073d6fe66f9cd2b8af0ec230532663b5e8e9b93e5696a79c81f58e845816c/http%3A//abstract.desktopnexus.com/wallpaper/1254760/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/1254760/</a>"
}